If the output is 89 what is the input
2 answers:
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(x - 4)² = 25
x - 4 =
√25
x - 4 = 5
x = 5 + 4 or x = -5 + 4
x = 9 or x = -1
Method Use : Completing the square
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Answer: x = 9 or x = -1
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x - 4 =
x - 4 =
x = 5 + 4 or x = -5 + 4
x = 9 or x = -1
Method Use : Completing the square
-------------------------------
Answer: x = 9 or x = -1
-------------------------------